Lamp holder (clamp lamp)



FIG. 1 is a front view of a lamp holder (clap lamp).

FIG. 2 is a left view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a perspective view thereof; and,

FIG. 6 is another perspective view. 

CLAIM I clam, the ornamental design for a lamp holder (clamp lamp), as shown and described. 